CLI tool for viewing and changing iSCSI target.

Ticket: #5479
Add copyright and license.
Various fixes to cleanup the directory service migrations
Remove rest of deprecated Figures and add placeholders for future screenshots.
Remove comment that no longer is valid
Begin the great shuffle to match the new UI layout.
Disable password is mutually exclusive with enable sudo

Ticket:	#5172
Fix HTTP return code for unauthorized API requests

Ticket:	#5355
Disallow question mark in password

Ticket:	#4098
Word wrap the console messages

Ticket:	#3205
Add section numbers to Table of Contents.
Simplify headings in Table of Contents.
Catch up Figure/Table names in Chapters 1-8.
Don't leak exit status to ssh process.
Various fixes to make LDAP happy with the new location
Various fixes to make LDAP happy with the new location
Merge branch 'ds'
Add default domain option for ldap and nt4

- Make cachetool work again with sssd as backend (and have knowledge of
  default and non-default domains)
- Rework freenasldap code more to take advantage of new parameters
- Modify models and forms accordingly
- notifier fixes to catch exceptions
- various other ad-hoc fixes need to make things happy
Do cool things with filters so user and group ou's aren't necessary
Change title for the image
Finish renaming Figures/Tables and placeholders.